<!DOCTYPE HTML>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>

<a id="link" href="#">
  <b id="inline" role="group">Inline</b>
  <div id="block">Block</div>
</a>

<script>
function IsAncestorOf(ancestor, descendant) {
    var parent = descendant.parentElement();
    if (!parent)
        return false;
    if (parent.isEqual(ancestor))
        return true;
    return IsAncestorOf(ancestor, parent);
}

test(function(t) {
    var axLink = accessibilityController.accessibleElementById("link");
    var axInline = accessibilityController.accessibleElementById("inline");
    var axBlock = accessibilityController.accessibleElementById("block");

    assert_false(IsAncestorOf(axBlock, axInline));
    assert_false(IsAncestorOf(axInline, axBlock));
    assert_true(IsAncestorOf(axLink, axInline));
    assert_true(IsAncestorOf(axLink, axBlock));
}, "Ensure that continuations are included in the accessibility tree.");
</script>
